Lever arm



FIG. 1 is a perspective view of the lever arm in accordance with thepresent invention;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The elements depicted in broken line in the various figures are includedfor environmental purposes only, and form no part of the claimed design.

The ornamental design for a lever arm, as shown and described. 